hello doc, I have had 3 UTIs within the past 4 months! at first I thought I contracted it from sex, told my partner to go get checked-surprisingly, she was okay!! and then the second came from nowhere, I mean I hadn't indulged in any sex, so I got tested, culture, and no bacteria grew, I was clear, but I was given Doxycycline nevertheless. I thought I contracted it from my faeces, since I use water to clean me up after a long call. now I have another one, and am worried, I got tested, and the doc gave me flagyl and some other drugs, and it dawned onto me that I have had this problem since I started Masterbating! I use soap some times! actually, most of the times! and i musterbated with soap on Saturday night, and the following day i was feeling akward, and on Monday i had a leakage what do you say doc, can it be the cause?